Cox, I. W. The folly of human sterilization. Paulist Press.
Chicago Style aipamenaCox, Ignatius W. The Folly of Human Sterilization. New York: Paulist Press.
MLA aipamenaCox, Ignatius W. The Folly of Human Sterilization. Paulist Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.